Title :
Relationship between vigilance levels and characteristics of saccadic eye movement
Author :
Ueno, Akinori ; Ota, Yoshihisa ; Takase, Moriichiro ; Minamitani, Haruyuki
Author_Institution :
Fac. of Sci. & Technol., Keio Univ., Kanagawa, Japan
Abstract :
The purpose of this study was to investigate the possibility for evaluating vigilance levels using a parameter of saccadic eye movement. EEG was measured and analyzed by means of fast Fourier transform, and the spectral power of α and β wave bands were obtained so as to extract [β]/[α+β] which was assumed to reflect vigilance levels. Eye movement was measured so as to calculate saccadic peak velocity (SPV) and relative SPV (RSPV) which was normalized by the mean SPV at the corresponding amplitude of saccade. The relationship between [β]/[α+β] and RSPV was investigated and it revealed that RSPV decreased according to the decline in the vigilance level. This indicates the possibility for evaluating vigilance levels using RSPV
Keywords :
biomechanics; electroencephalography; eye; fast Fourier transforms; medical signal processing; spectral analysis; α wave band; β wave band; EEG analysis; fast Fourier transform analysis; saccadic eye movement characteristics; spectral power; vigilance levels; Biomedical engineering; Biomedical measurements; Electrodes; Electroencephalography; Fast Fourier transforms; Infrared detectors; Monitoring; Motion measurement; Power measurement; Velocity measurement;
Conference_Titel :
Engineering in Medicine and Biology Society, 1995., IEEE 17th Annual Conference
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-2475-7
DOI :
10.1109/IEMBS.1995.579769
